CVE-2022-38547

Published: Feb 7, 2023

Modified: Mar 25, 2025

PUBLISHED

CVSS v3.1

7.2

HIGH

Description

A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.

Vendor	Product	Versions
Zyxel	ZyWALL/USG series firmware	affected `4.20 through 4.72`
Zyxel	VPN series firmware	affected `4.30 through 5.32`
Zyxel	USG FLEX series firmware	affected `4.50 through 5.32`
Zyxel	ATP series firmware	affected `4.32 through 5.32`

Weaknesses (CWE)

CWE-78

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-rce-in-firewalls

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CVE-2022-38547

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References